Android App Development Cost in singapore varies. It depends on the type of app you need. If you need an app with more complex features then the development charges are high and for less complex android app, development charges are less.
Android app developer in singapore usually charges $singapore-$Y per hour. But you will also find an android app developer in singapore who charges less. Charges usually depend on the type of app you need for your work. Android app developers charge more for complex apps.
Creating an android app is not difficult but it takes time to learn development and then putting the things in the real world. If you are planning to develop the android app you may hire developers or you can create it by yourself
According to some freelancer websites, freelance android app developers mostly charge singapore-Y in singapore country. Charges increase if you hire experienced android app developers